German aircraft engineer who designed the first all-metal airplane (1859-1935)
a streamlined enclosure for an aircraft engine
English aeronautical engineer who invented the jet aircraft engine (1907-1996) v
n English aeronautical engineer who invented the jet aircraft engine (1907-1996) v cut small bits or pare shavings from
aircraft engine fuel
[机] 航空汽油
aircraft engine oil
[机] 航空机油, 航空润滑油
army aircraft engine fuel
[机] 美国陆军飞机燃料
